#include<stdio.h>
int main()
{
	int t=0,i=0;
	int a[10]={0,1,2,3,4,5,6,7,8,9};
	int b[10]={9,8,7,6,5,4,3,2,1,0};
	for(i=0;i<10;i++)
	{
		t=a[i];a[i]=b[i];b[i]=t;
		printf("%d",a[i]);
	}
	printf("\n");
	for(i=0;i<10;i++)
	{
	printf("%d",b[i]);
	}
	return 0;
 } 
